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globals.cpp
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globals.cpp
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/***********************************************************************************
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
(c) Copyright 1996 - 2002 Gary Henderson ([email protected]),
Jerremy Koot ([email protected])
(c) Copyright 2002 - 2004 Matthew Kendora
(c) Copyright 2002 - 2005 Peter Bortas ([email protected])
(c) Copyright 2004 - 2005 Joel Yliluoma (http://iki.fi/bisqwit/)
(c) Copyright 2001 - 2006 John Weidman ([email protected])
(c) Copyright 2002 - 2006 funkyass ([email protected]),
Kris Bleakley ([email protected])
(c) Copyright 2002 - 2010 Brad Jorsch ([email protected]),
Nach ([email protected]),
(c) Copyright 2002 - 2011 zones ([email protected])
(c) Copyright 2006 - 2007 nitsuja
(c) Copyright 2009 - 2011 BearOso,
OV2
BS-X C emulator code
(c) Copyright 2005 - 2006 Dreamer Nom,
zones
C4 x86 assembler and some C emulation code
(c) Copyright 2000 - 2003 _Demo_ ([email protected]),
Nach,
zsKnight ([email protected])
C4 C++ code
(c) Copyright 2003 - 2006 Brad Jorsch,
Nach
DSP-1 emulator code
(c) Copyright 1998 - 2006 _Demo_,
Andreas Naive ([email protected]),
Gary Henderson,
Ivar ([email protected]),
John Weidman,
Kris Bleakley,
Matthew Kendora,
Nach,
neviksti ([email protected])
DSP-2 emulator code
(c) Copyright 2003 John Weidman,
Kris Bleakley,
Lord Nightmare ([email protected]),
Matthew Kendora,
neviksti
DSP-3 emulator code
(c) Copyright 2003 - 2006 John Weidman,
Kris Bleakley,
Lancer,
z80 gaiden
DSP-4 emulator code
(c) Copyright 2004 - 2006 Dreamer Nom,
John Weidman,
Kris Bleakley,
Nach,
z80 gaiden
OBC1 emulator code
(c) Copyright 2001 - 2004 zsKnight,
pagefault ([email protected]),
Kris Bleakley
Ported from x86 assembler to C by sanmaiwashi
SPC7110 and RTC C++ emulator code used in 1.39-1.51
(c) Copyright 2002 Matthew Kendora with research by
zsKnight,
John Weidman,
Dark Force
SPC7110 and RTC C++ emulator code used in 1.52+
(c) Copyright 2009 byuu,
neviksti
S-DD1 C emulator code
(c) Copyright 2003 Brad Jorsch with research by
Andreas Naive,
John Weidman
S-RTC C emulator code
(c) Copyright 2001 - 2006 byuu,
John Weidman
ST010 C++ emulator code
(c) Copyright 2003 Feather,
John Weidman,
Kris Bleakley,
Matthew Kendora
Super FX x86 assembler emulator code
(c) Copyright 1998 - 2003 _Demo_,
pagefault,
zsKnight
Super FX C emulator code
(c) Copyright 1997 - 1999 Ivar,
Gary Henderson,
John Weidman
Sound emulator code used in 1.5-1.51
(c) Copyright 1998 - 2003 Brad Martin
(c) Copyright 1998 - 2006 Charles Bilyue'
Sound emulator code used in 1.52+
(c) Copyright 2004 - 2007 Shay Green ([email protected])
SH assembler code partly based on x86 assembler code
(c) Copyright 2002 - 2004 Marcus Comstedt ([email protected])
2xSaI filter
(c) Copyright 1999 - 2001 Derek Liauw Kie Fa
HQ2x, HQ3x, HQ4x filters
(c) Copyright 2003 Maxim Stepin ([email protected])
NTSC filter
(c) Copyright 2006 - 2007 Shay Green
GTK+ GUI code
(c) Copyright 2004 - 2011 BearOso
Win32 GUI code
(c) Copyright 2003 - 2006 blip,
funkyass,
Matthew Kendora,
Nach,
nitsuja
(c) Copyright 2009 - 2011 OV2
Mac OS GUI code
(c) Copyright 1998 - 2001 John Stiles
(c) Copyright 2001 - 2011 zones
Specific ports contains the works of other authors. See headers in
individual files.
Snes9x homepage: http://www.snes9x.com/
Permission to use, copy, modify and/or distribute Snes9x in both binary
and source form, for non-commercial purposes, is hereby granted without
fee, providing that this license information and copyright notice appear
with all copies and any derived work.
This software is provided 'as-is', without any express or implied
warranty. In no event shall the authors be held liable for any damages
arising from the use of this software or it's derivatives.
Snes9x is freeware for PERSONAL USE only. Commercial users should
seek permission of the copyright holders first. Commercial use includes,
but is not limited to, charging money for Snes9x or software derived from
Snes9x, including Snes9x or derivatives in commercial game bundles, and/or
using Snes9x as a promotion for your commercial product.
The copyright holders request that bug fixes and improvements to the code
should be forwarded to them so everyone can benefit from the modifications
in future versions.
Super NES and Super Nintendo Entertainment System are trademarks of
Nintendo Co., Limited and its subsidiary companies.
***********************************************************************************/
#include "snes9x.h"
#include "memmap.h"
#include "dma.h"
#include "apu/apu.h"
#include "fxinst.h"
#include "fxemu.h"
#include "srtc.h"
#include "cheats.h"
#ifdef NETPLAY_SUPPORT
#include "netplay.h"
#endif
#ifdef DEBUGGER
#include "debug.h"
#include "missing.h"
#endif
struct SCPUState CPU;
struct SICPU ICPU;
struct SRegisters Registers;
struct SPPU PPU;
struct InternalPPU IPPU;
struct SDMA DMA[8];
struct STimings Timings;
struct SGFX GFX;
struct SBG BG;
struct SLineData LineData[240];
struct SLineMatrixData LineMatrixData[240];
struct SDSP0 DSP0;
struct SDSP1 DSP1;
struct SDSP2 DSP2;
struct SDSP3 DSP3;
struct SDSP4 DSP4;
struct SSA1 SA1;
struct SSA1Registers SA1Registers;
struct FxRegs_s GSU;
struct FxInfo_s SuperFX;
struct SST010 ST010;
struct SST011 ST011;
struct SST018 ST018;
struct SOBC1 OBC1;
struct SSPC7110Snapshot s7snap;
struct SSRTCSnapshot srtcsnap;
struct SRTCData RTCData;
struct SBSX BSX;
struct SMulti Multi;
struct SSettings Settings;
struct SSNESGameFixes SNESGameFixes;
#ifdef NETPLAY_SUPPORT
struct SNetPlay NetPlay;
#endif
#ifdef DEBUGGER
struct Missing missing;
#endif
struct SCheatData Cheat;
struct Watch watches[16];
CMemory Memory;
char String[513];
uint8 OpenBus = 0;
uint8 *HDMAMemPointers[8];
uint16 BlackColourMap[256];
uint16 DirectColourMaps[8][256];
SnesModel M1SNES = { 1, 3, 2 };
SnesModel M2SNES = { 2, 4, 3 };
SnesModel *Model = &M1SNES;
#ifdef GFX_MULTI_FORMAT
uint32 RED_LOW_BIT_MASK = RED_LOW_BIT_MASK_RGB565;
uint32 GREEN_LOW_BIT_MASK = GREEN_LOW_BIT_MASK_RGB565;
uint32 BLUE_LOW_BIT_MASK = BLUE_LOW_BIT_MASK_RGB565;
uint32 RED_HI_BIT_MASK = RED_HI_BIT_MASK_RGB565;
uint32 GREEN_HI_BIT_MASK = GREEN_HI_BIT_MASK_RGB565;
uint32 BLUE_HI_BIT_MASK = BLUE_HI_BIT_MASK_RGB565;
uint32 MAX_RED = MAX_RED_RGB565;
uint32 MAX_GREEN = MAX_GREEN_RGB565;
uint32 MAX_BLUE = MAX_BLUE_RGB565;
uint32 SPARE_RGB_BIT_MASK = SPARE_RGB_BIT_MASK_RGB565;
uint32 GREEN_HI_BIT = (MAX_GREEN_RGB565 + 1) >> 1;
uint32 RGB_LOW_BITS_MASK = (RED_LOW_BIT_MASK_RGB565 | GREEN_LOW_BIT_MASK_RGB565 | BLUE_LOW_BIT_MASK_RGB565);
uint32 RGB_HI_BITS_MASK = (RED_HI_BIT_MASK_RGB565 | GREEN_HI_BIT_MASK_RGB565 | BLUE_HI_BIT_MASK_RGB565);
uint32 RGB_HI_BITS_MASKx2 = (RED_HI_BIT_MASK_RGB565 | GREEN_HI_BIT_MASK_RGB565 | BLUE_HI_BIT_MASK_RGB565) << 1;
uint32 RGB_REMOVE_LOW_BITS_MASK = ~RGB_LOW_BITS_MASK;
uint32 FIRST_COLOR_MASK = FIRST_COLOR_MASK_RGB565;
uint32 SECOND_COLOR_MASK = SECOND_COLOR_MASK_RGB565;
uint32 THIRD_COLOR_MASK = THIRD_COLOR_MASK_RGB565;
uint32 ALPHA_BITS_MASK = ALPHA_BITS_MASK_RGB565;
uint32 FIRST_THIRD_COLOR_MASK = 0;
uint32 TWO_LOW_BITS_MASK = 0;
uint32 HIGH_BITS_SHIFTED_TWO_MASK = 0;
#endif
uint16 SignExtend[2] =
{
0x0000,
0xff00
};
int HDMA_ModeByteCounts[8] =
{
1, 2, 2, 4, 4, 4, 2, 4
};
uint8 mul_brightness[16][32] =
{
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02 },
{ 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02,
0x02, 0x02, 0x02, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x04, 0x04, 0x04, 0x04, 0x04 },
{ 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, 0x02, 0x03, 0x03, 0x03,
0x03, 0x03, 0x04, 0x04, 0x04, 0x04, 0x04, 0x05, 0x05, 0x05, 0x05, 0x05, 0x06, 0x06, 0x06, 0x06 },
{ 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, 0x03, 0x03, 0x03, 0x03, 0x04, 0x04,
0x04, 0x05, 0x05, 0x05, 0x05, 0x06, 0x06, 0x06, 0x06, 0x07, 0x07, 0x07, 0x07, 0x08, 0x08, 0x08 },
{ 0x00, 0x00, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x03, 0x03, 0x03, 0x04, 0x04, 0x04, 0x05, 0x05,
0x05, 0x06, 0x06, 0x06, 0x07, 0x07, 0x07, 0x08, 0x08, 0x08, 0x09, 0x09, 0x09, 0x0a, 0x0a, 0x0a },
{ 0x00, 0x00, 0x01, 0x01, 0x02, 0x02, 0x02, 0x03, 0x03, 0x04, 0x04, 0x04, 0x05, 0x05, 0x06, 0x06,
0x06, 0x07, 0x07, 0x08, 0x08, 0x08, 0x09, 0x09, 0x0a, 0x0a, 0x0a, 0x0b, 0x0b, 0x0c, 0x0c, 0x0c },
{ 0x00, 0x00, 0x01, 0x01, 0x02, 0x02, 0x03, 0x03, 0x04, 0x04, 0x05, 0x05, 0x06, 0x06, 0x07, 0x07,
0x07, 0x08, 0x08, 0x09, 0x09, 0x0a, 0x0a, 0x0b, 0x0b, 0x0c, 0x0c, 0x0d, 0x0d, 0x0e, 0x0e, 0x0e },
{ 0x00, 0x01, 0x01, 0x02, 0x02, 0x03, 0x03, 0x04, 0x04, 0x05, 0x05, 0x06, 0x06, 0x07, 0x07, 0x08,
0x09, 0x09, 0x0a, 0x0a, 0x0b, 0x0b, 0x0c, 0x0c, 0x0d, 0x0d, 0x0e, 0x0e, 0x0f, 0x0f, 0x10, 0x11 },
{ 0x00, 0x01, 0x01, 0x02, 0x02, 0x03, 0x04, 0x04, 0x05, 0x05, 0x06, 0x07, 0x07, 0x08, 0x08, 0x09,
0x0a, 0x0a, 0x0b, 0x0b, 0x0c, 0x0d, 0x0d, 0x0e, 0x0e, 0x0f, 0x10, 0x10, 0x11, 0x11, 0x12, 0x13 },
{ 0x00, 0x01, 0x01, 0x02, 0x03, 0x03, 0x04, 0x05, 0x05, 0x06, 0x07, 0x07, 0x08, 0x09, 0x09, 0x0a,
0x0b, 0x0b, 0x0c, 0x0d, 0x0d, 0x0e, 0x0f, 0x0f, 0x10, 0x11, 0x11, 0x12, 0x13, 0x13, 0x14, 0x15 },
{ 0x00, 0x01, 0x01, 0x02, 0x03, 0x04, 0x04, 0x05, 0x06, 0x07, 0x07, 0x08, 0x09, 0x0a, 0x0a, 0x0b,
0x0c, 0x0c, 0x0d, 0x0e, 0x0f, 0x0f, 0x10, 0x11, 0x12, 0x12, 0x13, 0x14, 0x15, 0x15, 0x16, 0x17 },
{ 0x00, 0x01, 0x02, 0x02, 0x03, 0x04, 0x05, 0x06, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0a, 0x0b, 0x0c,
0x0d, 0x0e, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x12, 0x13, 0x14, 0x15, 0x16, 0x16, 0x17, 0x18, 0x19 },
{ 0x00, 0x01, 0x02, 0x03, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0a, 0x0b, 0x0c, 0x0d,
0x0e, 0x0f, 0x10, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x17, 0x18, 0x19, 0x1a, 0x1b },
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e,
0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d },
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f }
};
uint8 S9xOpLengthsM0X0[256] =
{
// 0 1 2 3 4 5 6 7 8 9 A B C D E F
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 0
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 1
3, 2, 4, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 2
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 3
1, 2, 2, 2, 3, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 4
2, 2, 2, 2, 3, 2, 2, 2, 1, 3, 1, 1, 4, 3, 3, 4, // 5
1, 2, 3, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 6
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 7
2, 2, 3, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 8
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 9
3, 2, 3, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // A
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // B
3, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // C
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // D
3, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // E
2, 2, 2, 2, 3, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4 // F
};
uint8 S9xOpLengthsM0X1[256] =
{
// 0 1 2 3 4 5 6 7 8 9 A B C D E F
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 0
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 1
3, 2, 4, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 2
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 3
1, 2, 2, 2, 3, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 4
2, 2, 2, 2, 3, 2, 2, 2, 1, 3, 1, 1, 4, 3, 3, 4, // 5
1, 2, 3, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 6
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 7
2, 2, 3, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 8
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 9
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // A
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // B
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // C
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // D
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // E
2, 2, 2, 2, 3, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4 // F
};
uint8 S9xOpLengthsM1X0[256] =
{
// 0 1 2 3 4 5 6 7 8 9 A B C D E F
2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // 0
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 1
3, 2, 4, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // 2
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 3
1, 2, 2, 2, 3, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // 4
2, 2, 2, 2, 3, 2, 2, 2, 1, 3, 1, 1, 4, 3, 3, 4, // 5
1, 2, 3, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // 6
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 7
2, 2, 3, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // 8
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 9
3, 2, 3, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // A
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // B
3, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // C
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // D
3, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // E
2, 2, 2, 2, 3, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4 // F
};
uint8 S9xOpLengthsM1X1[256] =
{
// 0 1 2 3 4 5 6 7 8 9 A B C D E F
2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // 0
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 1
3, 2, 4, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // 2
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 3
1, 2, 2, 2, 3, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // 4
2, 2, 2, 2, 3, 2, 2, 2, 1, 3, 1, 1, 4, 3, 3, 4, // 5
1, 2, 3, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // 6
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 7
2, 2, 3, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // 8
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // 9
2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // A
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // B
2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // C
2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4, // D
2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 1, 3, 3, 3, 4, // E
2, 2, 2, 2, 3, 2, 2, 2, 1, 3, 1, 1, 3, 3, 3, 4 // F
};